Novel coke oven ascension pipe

The utility model discloses a novel coke oven riser which comprises a steel plate, a heat preservation layer is arranged on the outer side of the steel plate, a plurality of threaded sleeves penetrate through the steel plate, threaded rods are in threaded connection with the interiors of the threaded sleeves, branches are arranged at one ends of the threaded rods, the other ends of the threaded rods penetrate through the heat preservation layer and then are connected with rotating plates, and the rotating plates are arranged in grooves formed in the heat preservation layer. A waterproof plug is arranged on the outer side of the rotating plate and plugged in the groove. Steel fiber anti-stripping castable is poured at the ends, provided with the branches, of the threaded rods. The threaded rod is arranged on the steel plate, the steel fiber anti-stripping castable is poured on the steel plate, firmness between the steel plate and the steel fiber anti-stripping castable is enhanced through the branches, strengt